If you juggle Rekordbox and/or VirtualDJ alongside Serato, Music Library Doctor speaks all three natively in one tool — encrypted Rekordbox 6+ supported, Favorite Folders preserved, one Library Health Score for everything.
MLT (Music Library Tool) is a recent entrant focused on cleaning and organizing Serato libraries: fix orange files, move tracks while keeping Serato paths synced, back up your library, and push Serato crates into Rekordbox for club USBs. For Serato-first DJs that's a sharp tool. But if your setup is Rekordbox-primary, or split between Rekordbox + Serato + VirtualDJ, a Serato-shaped tool is the wrong shape. You end up stitching two or three utilities together, each with its own mental model.
Supported today
Rekordbox · Serato DJ · VirtualDJ (incl. Favorite Folders) on Windows 10+ and macOS (Apple Silicon + Intel).
The differentiator is *scope* plus *coordination*. MLD doesn't just read three apps — it writes to all three in a single coordinated pass. When you consolidate folders or move files, Rekordbox master.db, every Serato crate, and VirtualDJ's database all get rewritten together, so a file move never leaves one app broken while the other is fine. A Serato-focused tool simply doesn't see the other two libraries. If you're Serato-only and content there, a Serato-specialized tool may be a fine fit; if your library spans apps, MLD is built around that reality.
MLD has a free tier that shows the full Library Health Score and every detected issue. Bulk fixes and playlist transfer require Pro — $49 lifetime, $19 for the first 100 founders. One-time purchase, no subscription.
Yes. MLD reads and writes Serato's native `%%` nested crate format and updates both the main Serato DB and individual `.crate` files in one coordinated pass — same scope as a Serato-specialized tool, but extended to Rekordbox and VirtualDJ too.
Yes — that's the Serato → Rekordbox migration. MLD opens Rekordbox's encrypted master.db directly and writes playlists into it, so you get a club-ready USB without exporting XML.
Both. macOS (Apple Silicon + Intel) and Windows 10/11. Feature parity across platforms.
Supported natively. MLD handles Rekordbox's encrypted DB key format without any downgrade or third-party decryption.
Yes. Every DJ database (Rekordbox master.db, Serato `_Serato_` folder, VirtualDJ database.xml) is copied to a timestamped backup before any write. Rollback is always available.
No. Everything runs locally — no login, no sync, no uploads. The local MLD database is SQLCipher-encrypted.
Free tier covers detection and viewing. Lifetime access is $49 — $19 for the first 100 DJs.
